What was found
STATUS CARGO A/C TEMP ILLUMINATED ON GROUND AFTER BLOCK OUT. TRANSFERRED TO DMI NR 139302, PER MEL 21-28-01. CAT "D", DUE DATE 09APR21. TROUBLESHOT CARGO A/C TEMP FAULT, IAW FIM 21-28 FT 809. REMOVED AND REPLACED FWD CARGO TRIM MODULATING VALVE V385, IAW M/M 21-61-07. OPERATIONS CHECK NORMAL. LEAK CHECK NORMAL. THIS CLEARS DMI NR 139302. PLACARD REMOVED. MCC NOTIFIED. RE-OPENED MDDR 139302. COMPLIED WITH AP-18530. NO WIRING DEFECTS FOUND. REMOVED AND REPLACED LT PACK FLOW CONTROLLER, IAW AMM 21-51-24. OPERATIONS CHECKS NORMAL. THIS CLEARS MDDR 139302. MX ACTION REVERSED. PLACARDS REMOVED. MCC NOTIFIED.